onkyo tx-sr577

Onkyo TX-SR577 Vs Onkyo TX-SR606
Hi,
I was looking for a good AVR around Rs 35k. And I had almost selected Onkyo TX-SR606, because of affordability and it's features. Now there is new model Onkyo TX-SR577 and I am in dilemma. Please help.
My usage is 60-70% music, and 30-40% movies...